Changeset 153199 in webkit for trunk/Source/JavaScriptCore/bytecompiler

Timestamp:

Jul 24, 2013, 9:01:42 PM (12 years ago)

Author:

[email protected]

Message:

fourthTier: LLInt shouldn't store an offset call PC during op_call-like calls
​https://bugs.webkit.org/show_bug.cgi?id=117048

Reviewed by Mark Hahnenberg.

This just makes everything consistent in the LLInt: anytime any op calls out,
it stores its PC and never the next op's PC.

• bytecode/CodeBlock.cpp:

(JSC::CodeBlock::dumpBytecode):
(JSC::CodeBlock::linkIncomingCall):
(JSC::CodeBlock::bytecodeOffset):

• bytecode/CodeBlock.h:
• bytecode/Opcode.h:

(JSC::padOpcodeName):

• bytecompiler/BytecodeGenerator.cpp:

(JSC::BytecodeGenerator::emitCallVarargs):

• llint/LLIntExceptions.cpp:

(JSC::LLInt::interpreterThrowInCaller):
(JSC::LLInt::returnToThrow):
(JSC::LLInt::callToThrow):

• llint/LLIntSlowPaths.cpp:

(JSC::LLInt::LLINT_SLOW_PATH_DECL):

• llint/LowLevelInterpreter.asm:
• llint/LowLevelInterpreter.cpp:

(JSC::CLoop::execute):

• llint/LowLevelInterpreter32_64.asm:
• llint/LowLevelInterpreter64.asm:

File:

• trunk/Source/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp

@@ -1889 +1889 @@
     instructions().append(arguments->index());
     instructions().append(firstFreeRegister->index());
+    instructions().append(0); // Pad to make it as big as an op_call.
     if (dst != ignoredResult()) {
         UnlinkedValueProfile profile = emitProfiledOpcode(op_call_put_result);